O3-pro is a version of OpenAI’s o3, a reasoning model that the startup launched earlier this year. As opposed to conventional ...

An AI researcher put leading AI models to the test in a game of Diplomacy. Here's how the models fared.

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that "validated [Claude's] capabilities with a demanding open-source refactor ...

Last month, an AI model did something "that no machine was ever supposed to do", said Judd Rosenblatt in The Wall Street ...

Also: Anthropic's free Claude 4 Sonnet aced my coding tests - but its paid Opus model somehow didn't ...

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing Sonnet 3.7 in the chatbot.

Claude 4’s “whistle-blow” surprise shows why agentic AI risk lives in prompts and tool access, not benchmarks. Learn the 6 ...

The CEO of Windsurf, a popular AI-assisted coding tool, said Anthropic is limiting its direct access to certain AI models.

AI startup Anthropic has wound down its AI chatbot Claude's blog, known as Claude Explains. The blog was only live for around ...

Anthropic's new model might also report users to authorities and the press if it senses "egregious wrongdoing." ...

Anthropic said that the blog was overseen by editorial teams who improved Claude’s drafts by adding practical examples and ...